Oguzhan Atay
CIK 2088549 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 5, 2025 · Latest: June 10, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
57 sells (S)
Net:
$-14,812,934
+ 31 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
31 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 5, 2026 | BLLN | S 10b5-1 | 15,539 | $150.03 | $2,331,316 | 0 Direct | -100.00% | Disposed | -36.6% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 269 | $133.01 | $35,780 | 32,231 Direct | -0.83% | Disposed | -28.5% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 555 | $133.81 | $74,265 | 31,676 Direct | -1.72% | Disposed | -28.9% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 135 | $135.42 | $18,282 | 31,541 Direct | -0.43% | Disposed | -29.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 6,354 | $136.42 | $866,813 | 25,187 Direct | -20.15% | Disposed | -30.3% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 9,989 | $137.25 | $1,370,990 | 15,198 Direct | -39.66% | Disposed | -30.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 2,431 | $138.09 | $335,697 | 12,767 Direct | -16.00% | Disposed | -31.1% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 267 | $139.21 | $37,169 | 12,500 Direct | -2.09% | Disposed | -31.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 84 | $133.00 | $11,172 | 12,416 Direct | -0.67% | Disposed | -28.5% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 173 | $133.81 | $23,149 | 12,243 Direct | -1.39% | Disposed | -28.9% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 44 | $135.41 | $5,958 | 12,199 Direct | -0.36% | Disposed | -29.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 1,981 | $136.42 | $270,248 | 10,218 Direct | -16.24% | Disposed | -30.3% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 3,124 | $137.25 | $428,769 | 7,094 Direct | -30.57% | Disposed | -30.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 762 | $138.09 | $105,225 | 6,332 Direct | -10.74% | Disposed | -31.1% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 82 | $139.21 | $11,415 | 6,250 Direct | -1.30% | Disposed | -31.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 84 | $133.01 | $11,173 | 6,166 Direct | -1.34% | Disposed | -28.5% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 173 | $133.81 | $23,149 | 5,993 Direct | -2.81% | Disposed | -28.9% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 43 | $135.41 | $5,823 | 5,950 Direct | -0.72% | Disposed | -29.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 1,983 | $136.42 | $270,521 | 3,967 Direct | -33.33% | Disposed | -30.3% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 3,125 | $137.25 | $428,906 | 842 Direct | -78.77% | Disposed | -30.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 760 | $138.09 | $104,948 | 82 Direct | -90.26% | Disposed | -31.1% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 82 | $139.20 | $11,414 | 0 Direct | -100.00% | Disposed | -31.6% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 6,250 | $137.37 | $858,562 | 168,750 Indirect | -3.57% | Disposed | -30.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | BLLN | S 10b5-1 | 6,250 | $137.37 | $858,562 | 162,500 Indirect | -3.70% | Disposed | -30.7% (price as of 2026-08-21) |
| July 9, 2026 | BLLN | S 10b5-1 | 352 | $128.23 | $45,137 | 0 Direct | -100.00% | Disposed | -25.8% (price as of 2026-08-21) |
| July 9, 2026 | BLLN | S 10b5-1 | 2,657 | $127.44 | $338,608 | 352 Direct | -88.30% | Disposed | -25.3% (price as of 2026-08-21) |
| July 9, 2026 | BLLN | S 10b5-1 | 2,002 | $126.48 | $253,213 | 3,009 Direct | -39.95% | Disposed | -24.8% (price as of 2026-08-21) |
| July 9, 2026 | BLLN | S 10b5-1 | 7,489 | $125.43 | $939,345 | 5,011 Direct | -59.91% | Disposed | -24.1% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 50 | $124.74 | $6,237 | 175,000 Indirect | -0.03% | Disposed | -23.7% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,221 | $124.04 | $151,453 | 175,050 Indirect | -0.69% | Disposed | -23.3% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 2,324 | $123.25 | $286,433 | 176,271 Indirect | -1.30% | Disposed | -22.8% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 586 | $122.08 | $71,539 | 178,595 Indirect | -0.33% | Disposed | -22.1% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 444 | $120.69 | $53,586 | 179,181 Indirect | -0.25% | Disposed | -21.2% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 591 | $119.67 | $70,725 | 179,625 Indirect | -0.33% | Disposed | -20.5% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,034 | $118.81 | $122,850 | 180,216 Indirect | -0.57% | Disposed | -19.9% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 50 | $124.74 | $6,237 | 181,250 Indirect | -0.03% | Disposed | -23.7% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,221 | $124.04 | $151,453 | 181,300 Indirect | -0.67% | Disposed | -23.3% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 2,323 | $123.25 | $286,310 | 182,521 Indirect | -1.26% | Disposed | -22.8% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 587 | $122.08 | $71,661 | 184,844 Indirect | -0.32% | Disposed | -22.1% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 444 | $120.69 | $53,586 | 185,431 Indirect | -0.24% | Disposed | -21.2% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 591 | $119.67 | $70,725 | 185,875 Indirect | -0.32% | Disposed | -20.5% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,034 | $118.81 | $122,850 | 186,466 Indirect | -0.55% | Disposed | -19.9% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 194 | $124.61 | $24,174 | 0 Direct | -100.00% | Disposed | -23.6% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,642 | $123.81 | $203,296 | 194 Direct | -89.43% | Disposed | -23.1% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,945 | $123.07 | $239,371 | 1,836 Direct | -51.44% | Disposed | -22.7% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 349 | $121.84 | $42,522 | 3,781 Direct | -8.45% | Disposed | -21.9% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 570 | $120.66 | $68,776 | 4,130 Direct | -12.13% | Disposed | -21.1% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,138 | $119.36 | $135,832 | 4,700 Direct | -19.49% | Disposed | -20.3% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 412 | $118.49 | $48,818 | 5,838 Direct | -6.59% | Disposed | -19.7% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 622 | $124.61 | $77,507 | 6,250 Direct | -9.05% | Disposed | -23.6% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 5,253 | $123.81 | $650,374 | 6,872 Direct | -43.32% | Disposed | -23.1% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 6,223 | $123.07 | $765,865 | 12,125 Direct | -33.92% | Disposed | -22.7% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,115 | $121.84 | $135,852 | 18,348 Direct | -5.73% | Disposed | -21.9% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,828 | $120.66 | $220,566 | 19,463 Direct | -8.59% | Disposed | -21.1% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 3,639 | $119.36 | $434,351 | 21,291 Direct | -14.60% | Disposed | -20.3% (price as of 2026-08-21) |
| July 6, 2026 | BLLN | S 10b5-1 | 1,320 | $118.49 | $156,407 | 24,930 Direct | -5.03% | Disposed | -19.7% (price as of 2026-08-21) |
| June 8, 2026 | BLLN | S | 79 | $100.87 | $7,969 | 187,500 | — | — | -5.7% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 5, 2026 | BLLN | Stock Option (right to buy) | Class A Common Stock (15,539) | $2.80 | June 7, 2031 | 15,539 | Disposed |
| Aug. 3, 2026 | BLLN | Stock Option (right to buy) | Class A Common Stock (20,000) | $2.80 | June 7, 2031 | 20,000 | Disposed |
| Aug. 3, 2026 | BLLN | Stock Option (right to buy) | Class A Common Stock (6,250) | $2.80 | June 7, 2031 | 6,250 | Disposed |
| Aug. 3, 2026 | BLLN | Stock Option (right to buy) | Class A Common Stock (6,250) | $2.80 | June 7, 2031 | 6,250 | Disposed |
| July 9, 2026 | BLLN | Stock Option (right to buy) | Class A Common Stock (12,500) | $2.80 | June 7, 2031 | 12,500 | Disposed |
| July 6, 2026 | BLLN | Stock Option (right to buy) | Class A Common Stock (6,250) | $2.80 | June 7, 2031 | 6,250 | Disposed |
| July 6, 2026 | BLLN | Stock Option (right to buy) | Class A Common Stock (20,000) | $2.80 | June 7, 2031 | 20,000 | Disposed |
| Nov. 7, 2025 | BLLN | Stock Option (right to buy) | Class A Common Stock (1,003,102) | $20.04 | June 18, 2035 | 1,003,102 | Acquired |
| Nov. 7, 2025 | BLLN | Stock Option (right to buy) | Common Stock (1,003,102) | $20.04 | June 18, 2035 | 1,003,102 | Disposed |
| Nov. 7, 2025 | BLLN | Stock Option (right to buy) | Class A Common Stock (640,000) | $2.80 | June 7, 2031 | 640,000 | Acquired |
| Nov. 7, 2025 | BLLN | Stock Option (right to buy) | Common Stock (640,000) | $2.80 | June 7, 2031 | 640,000 | Disposed |
| Nov. 7, 2025 | BLLN | Class B Common Stock | Class A Common Stock (2,227,542) | — | — | 2,227,542 | Acquired |
| Nov. 7, 2025 | BLLN | Series A-1 Convertible Preferred Stock | Common Stock (262,434) | — | — | 262,434 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 5, 2025 | BLLN | Common Stock [F1] | 1,965,108 | Direct |
| Nov. 5, 2025 | BLLN | Common Stock [F2] | 200,000 | Indirect |
| Nov. 5, 2025 | BLLN | Series A-1 Convertible Preferred Stock→ Common Stock [F4] (262,434) | 262,434 | Direct |
| Nov. 5, 2025 | BLLN | Stock Option (right to buy)→ Common Stock [F2] (640,000) | 640,000 | Direct |
| Nov. 5, 2025 | BLLN | Stock Option (right to buy)→ Common Stock [F2] (1,003,102) | 1,003,102 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
BLLN
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $371,808 | $136,001 | — | — | — | — | $10,588 | $19,684,903 |
| 2024 | $303,739 | $55,722 | — | — | — | — | $11,603 | $371,064 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.